Wrench



FIG. 1 is a top plan view of the wrench showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an end elevational view thereof;

FIG. 6 is an opposite end elevational view thereof. 

The ornamental design for a wrench, as shown and described. 